| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.rocketmq.remoting.impl.netty.handler; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.channel.ChannelFuture; |
| import io.netty.channel.ChannelFutureListener; |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.handler.codec.MessageToByteEncoder; |
| import org.apache.rocketmq.remoting.api.buffer.RemotingBuffer; |
| import org.apache.rocketmq.remoting.api.command.RemotingCommand; |
| import org.apache.rocketmq.remoting.api.exception.RemotingCodecException; |
| import org.apache.rocketmq.remoting.impl.buffer.NettyRemotingBuffer; |
| import org.apache.rocketmq.remoting.impl.command.CodecHelper; |
| import org.apache.rocketmq.remoting.internal.RemotingUtil; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class Encoder extends MessageToByteEncoder<RemotingCommand> { |
| private static final Logger LOG = LoggerFactory.getLogger(Encoder.class); |
| |
| public Encoder() { |
| } |
| |
| @Override |
| public void encode(final ChannelHandlerContext ctx, RemotingCommand remotingCommand, ByteBuf out) throws Exception { |
| try { |
| RemotingBuffer wrapper = new NettyRemotingBuffer(out); |
| |
| encode(remotingCommand, wrapper); |
| } catch (final RemotingCodecException e) { |
| String remoteAddress = RemotingUtil.extractRemoteAddress(ctx.channel()); |
| LOG.error(String.format("Error occurred when encoding command for channel %s", remoteAddress), e); |
| |
| ctx.channel().close().addListener(new ChannelFutureListener() { |
| @Override |
| public void operationComplete(ChannelFuture future) throws Exception { |
| LOG.warn("Close channel {} because of error {},result is {}", ctx.channel(), e, future.isSuccess()); |
| } |
| }); |
| } |
| } |
| |
| private void encode(final RemotingCommand remotingCommand, final RemotingBuffer out) { |
| CodecHelper.encodeCommand(remotingCommand, out); |
| } |
| } |